Xtream is an advanced USB digital audio controller
making it a complete audio solution for personal computers.
As a composite USB device,the Xtream audio controller is designed
to replace the current audio implementation with advantages
of additional functions including S/PDIF Input/Output, USB HID
keypad,adn CIR/RF remote control. Fully compliant to USB Audio
and HID Class specifications, the Xtream audio controller integrates
high-fidelity audio and friendly user control in a single chip
that requires no custom device drivers.

There are two packages offered for the Xtream audio controller.
The KC2178P comes in a 44 pin LQFP package and the KC2178H comes
in a 65 pin LQFP package. The KC2178H has an optional external
ROM interface to support custom firmware for vendor specific
applications.

A multimedia Notebook PC,powered by the Xtream controller offers
these advanced functions:

Digital audio recordings from MD,DVD,CD, and DAT

Remotely control your DVD or CD player

Playback of high-fidelity digitally recorded music via S/PDIF(Digital
Optical Interface)